Spending evenings in front of a glowing computer, TV, or cellphone screen can put you at risk of depression, Science News reports. Nighttime exposure to light from gadgets has already been shown to contribute to insomnia, cancer, obesity, and diabetes. Now, a new study shows that screen glow can cause mood-related changes in the brain. For weeks, researchers exposed hamsters […]
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Hormones found in birth control pills could be polluting the water supply and increasing men’s risk of prostate cancer. That’s the suspicion of Canadian researchers who found that countries that have the highest percentage of women using oral contraceptives also have the highest rates of men with prostate cancer. Women who take birth control pills excrete estrogen from the medication […]
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Patients are getting larger and perhaps even dangerous doses of radiation from the growing number of advanced medical-imaging tests being ordered by doctors, a new study says. Researchers at the University of California, San Francisco, analyzed data from millions of patients who received medical treatment between 1996 and 2010. They found that the number of patients who underwent CT scans […]
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Pompey the Great’s soldiers were bone tired. For most of 65 BCE, Roman legions marched around the southern edge of the Black Sea as they battled the local ruler, Mithridates VI of Pontus. Then, something magical happened: The exhausted troops discovered a stockpile of honeycombs strewn across their path, and they fell upon the sticky treats like hungry bears. But […]
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If thinking about your own death freaks you out, there may be over-the-counter solution. A new study shows that the main ingredient in Tylenol, acetaminophen, can help calm existential dread in the same way it reduces the physical pain of a headache. To get volunteers worried about their own mortality, University of British Columbia researchers asked them to watch scenes […]
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Training for a marathon and other extreme workouts may be more harmful than healthy. After reviewing over 50 studies, researchers at the Mayo Clinic found that more than an hour of intense aerobic activity per day put runners and cyclists at heightened risk of serious heart problems, including an irregular heartbeat, clogged arteries, and scarring. Habitual marathon runners and professional […]
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Just eight months ago, 6-year-old Emma Whitehead was gravely ill with leukemia and running out of options.Two rounds of chemotherapy had already failed, and a bone marrow transplant was no longer possible, The NewYorkTimes reports. So her parents opted for an experimental therapy developed at the University of Pennsylvania that aimed to enlist Emma’s own immune system in the fight […]
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